cat << EOF | sendmail -t
Sender: [email protected]
From: Sender <[email protected]>
Reply-To: Sender <[email protected]>
To: To <[email protected]>
CC: Cc <[email protected]>
Disposition-Notification-To: [email protected]
Subject: Generic Subject
Generic Body
EOF
Knowledge
/usr/sbin/sendmail -Am -v -t < filename.eml
/usr/sbin/sendmail -v -t < filename.eml
/usr/sbin/sendmail -t < filename.eml
launch interpreter by magic header or env
1. Python 3.9: #!/usr/bin/env python3.9
2. Python 2.6: #!/usr/bin/env python2.6
3. TS Node : #!/usr/bin/env ts-node
4. Python : #!/usr/bin/env python
5. NodeJS : #!/usr/bin/env node
6. Ruby : #!/usr/bin/env ruby
7. Perl : #!/usr/bin/env perl
8. PHP : #!/usr/bin/env php
9. GO : #!/usr/bin/env go run
#resolve mail server
nslookup
: '
Default Server: www0.dev.chorke.org
Address: 10.20.13.100
> set type=mx
> chorke.org
Server: www0.dev.chorke.org
Address: 10.20.13.100
Non-authoritative answer:
chorke.org MX preference = 0, mail exchanger = mail.chorke.org
> exit
'
References